Seasonal and Gender Differences in Presence of Rickettsia felis and Blood meals Provide Additional Evidence of a Vector Role for Mosquitoes

Table 2

Prevalence of R. felis and blood meal in mosquitoes in this study.

Date	Sample #	Gender and species	R. felis+	Blood meal+	R. felis + blood meal+	R. felis + blood meal−
Sep. 2013	130	70 ♀ Culex pipiens	3%, 2/70	54%, 38/70	100%, 2/2	0%, 0/2
		60 ♀ C. tritaeniorhynchus	3%, 2/60	55%, 33/60	100%, 2/2	0%, 0/2
Oct. 2013	298	164 ♀ C. pipiens	7%, 12/164	29%, 48/164	42%, 5/12	58%, 7/12
		134 ♀ C. tritaeniorhynchus	7%, 9/134	28%, 37/134	11%, 1/9	89%, 8/9
Nov. 2013	125	103 ♀ C. pipiens	15%, 15/103	38%, 39/103	47%, 7/15	53%, 8/15
		22 ♀ C. tritaeniorhynchus	14%, 3/22	36%, 8/22	67%, 2/3	33%, 1/3
Dec. 2013	106	106 ♀ C. pipiens	21%, 22/106	23%, 24/106	27, 6/22	73%, 16/22
Mar. 2014	185	185 ♀ C. pipiens	3%, 6/185	34%, 63/185	33%, 2/6	67%, 4/6
April 2014	92	48 ♀ C. pipiens	0%, 0/48	17%, 8/48	0%, 0/0	0%, 0/0
		44 ♂ C. pipiens	0%, 0/44	0%, 0/44	0%, 0/0	0%, 0/0
May 2014	92	52 ♀ C. pipiens	4%, 2/52	21%, 11/52	50%, 1/2	50%, 1/2
		40 ♂ C. pipiens	0%, 0/40	0%, 0/40	0%, 0/0	0%, 0/0
June 2014	92	52 ♀ C. pipiens	4%, 2/52	17%, 9/52	50%, 1/2	50%, 1/2
		40 ♂ C. pipiens	5%, 2/40	0%, 0/40	0%, 0/0	100%, 2/2
July 2014	92	40 ♀ C. pipiens	5%, 2/40	10%, 4/40	0%, 0/0	100%, 2/2
		52 ♂ C. pipiens	0%, 0/52	0%, 0/52	0%, 0/0	0%, 0/0
Aug. 2014	92	52 ♀ Aedes albopictus	0%, 0/52	27%, 14/52	0%, 0/0	0%, 0/0
		40 ♂ Aedes albopictus	0%, 0/40	0%, 0/40	0%, 0/0	0%, 0/0
Total	1304	996 C. pipiens	6%	31%	37%, 29/79	63%, 50/79
		216 C. tritaeniorhynchus	79/1,304	336/1,088
		92 Aedes albopictus

Rickettsia positive/negative, blood meal positive/negative.